Dr. Michaela L. Tsai, MD

  • Seattle, WA
  • Hematologist and oncologist
NPI1801872502PAC ID7810883717
Medicare services, 2024
580
Medicare patients, 2024
156
Part D claims, 2024
788
Publications
27
Clinical trials
11
Practice address
747 Broadway, Seattle, WA 98122
Practice phone
Call (206) 386-6000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Swedish Medical Center -First Hill

Seattle, Washington

See all 8 affiliations

Find Dr. Tsai's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Michaela L. Tsai is a hematologist and oncologist in Seattle, Washington

Dr. Tsai practices at Swedish Medical Center -First Hill in Seattle, Washington.

Dr. Tsai's NPI, 1801872502, was assigned on December 15, 2005. Dr. Tsai graduated from Harvard Medical School in 1995. Dr. Tsai holds Washington license MD61182267.

NPI and contact details
Medicare PAC ID
7810883717
NPI enumeration date
December 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(206) 386-6000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michaela L. Tsai practices at Swedish Medical Center -First Hill in Seattle, Washington

Dr. Tsai's primary practice is Swedish Medical Center -First Hill, at 747 Broadway, Seattle, WA 98122 in King County. The practice phone is (206) 386-6000.

  • Swedish Medical Center -First Hill
    747 Broadway, Seattle, WA 98122 · King CountyPhone(206) 386-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michaela L. Tsai is affiliated with 7 sites of care and 1 medical group

Dr. Tsai's primary practice is Swedish Medical Center -First Hill in Seattle, Washington. Dr. Tsai is also affiliated with Swedish First Hill Campus. The medical group on file is Swedish Health Services. Dmand AI also links Dr. Tsai to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Tsai

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michaela L. Tsai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Swedish Medical Center -First HillAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Tsai practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Michaela L. Tsai is one of 348 hematologists and oncologists in Washington

Hematology and oncology is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Tsai is licensed in Washington.

Specialties and state licenses

  • Hematology and oncology, WashingtonPrimaryLicense MD61182267 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Tsai

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michaela L. Tsai billed Medicare for 580 services in 2024

CMS data shows 580 Medicare services from Dr. Tsai across 5 procedure codes in 2024, for 156 Medicare patients. Medicare paid $31,497 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024580
Medicare patients156
Paid by Medicare$31,497
Procedure codes5

Dr. Tsai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3982024: 35411%
Other services
2023: 02024: 226

Dr. Tsai compared with the Washington median for hematologists and oncologists, 2024

  • Dr. Tsai
  • Washington median
Medicare services
580vs 585Close to median
Medicare patients
156vs 18214% below
Part D claims
664vs 2832.3 times

Medians across 310 hematologists and oncologists in Washington with Dmand AI profiles that report each measure.

Dr. Tsai's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Tsai

Need commercial claims for Dr. Tsai?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsai and other hematologists and oncologists in Washington.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michaela L. Tsai treated 156 Medicare patients in 2024, average age 74

CMS counts 156 Medicare patients who saw Dr. Tsai in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have cancer, and 67% have high cholesterol. Their average risk score is 1.16, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tsai's median patient age at 71, with 98% women.

Medicare patients, 2024156
Average age74
Average risk score1.16

Dr. Tsai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Tsai's Medicare patients, 2024

  1. Cancer75%
  2. High cholesterol67%
  3. High blood pressure54%
  4. Arthritis41%
  5. Osteoporosis35%
  6. Anxiety22%
  7. Mood disorders19%
  8. Diabetes16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tsai's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women98%
  • Men2%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michaela L. Tsai wrote 788 Medicare Part D claims in 2024

In 2024, Dr. Tsai wrote 788 Medicare Part D claims for 194 patients. 90% of them were for generic drugs. CMS names the drug for 664 of them, across 12 drugs with 11 or more claims each, at $612,045 in total drug cost. In 2023, CMS named 561 claims across 11 drugs.

Part D claims, 2024788
Drugs named by CMS12
Total drug cost$612,045
Part D patients194

Dr. Tsai's Part D claims by kind of drug, 2024

  • Generic706 claims90%
  • Brand-name82 claims10%

Dr. Tsai's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5612024: 66418%

Drugs named by CMS: 12 in 2024, 11 in 2023.

See all prescribing by Dr. Tsai

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michaela L. Tsai scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Tsai for performance year 2024, reported as part of a group. Dr. Tsai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsai as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Tsai's MIPS scores, performance year 2024

  • 87of 100Final score
  • 84.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find hematologists and oncologists like Dr. Tsai by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Michaela L. Tsai has 27 publications on record

Dmand AI links 27 papers to Dr. Tsai, published from 2011 to 2024. 2016 was the busiest year, with 4. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Biomarkers, Tumor. Dr. Tsai has published most often in Clin Breast Cancer. Dr. Tsai's most frequent co-authors are Barbara Susnik, MD, Sami G. Diab, MD and Anne Hudson Blaes, MD.

Papers27
Years published2011 to 2024

Dr. Tsai's papers by year, 2013 to 2024

Topics Dr. Tsai writes about most

  • Breast Neoplasms
  • Antineoplastic Combined Chemotherapy Protocols
  • Biomarkers, Tumor
  • Bisphosphonate-Associated Osteonecrosis of the Jaw
  • Chemotherapy, Adjuvant
  • Antibodies, Monoclonal, Humanized
  • Carcinoma, Lobular
  • Colorectal Neoplasms

Dr. Tsai's most frequent co-authors

Recent publications by Dr. Tsai

See all 27 publications and co-authors

See who Dr. Tsai researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsai works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michaela L. Tsai has worked on 11 clinical trials

Dmand AI links Dr. Tsai to 11 clinical trials, 2 of them phase 1/2 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Brain Neoplasms. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. Tsai that name 2 trials.

Clinical trials with Dr. Tsai by phase

  1. NonePhase 1: no trials
  2. 2Phase 1/2: 2 trials
  3. 1Phase 2: 1 trial
  4. 2Phase 3: 2 trials
  5. NonePhase 4: no trials

Conditions in Dr. Tsai's trials

  • Breast Neoplasms
  • Breast Diseases
  • Brain Neoplasms
  • Carcinoma, Ductal
  • Leukemia, Lymphocytic, Chronic, B-Cell

Investigators on the most trials with Dr. Tsai

Recent clinical trials with Dr. Tsai

See all 11 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Michaela L. Tsai received $6,051 in industry payments from 2016 to 2025

CMS Open Payments shows 14 general payments to Dr. Tsai from 6 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 92% of the total. Genentech, Inc. paid the most, $3,576. It also lists 4 research payments totaling $2,289 from 2018 to 2023, naming 2 clinical trials.

General payments to Dr. Tsai by program year, 2016 to 2025

General payments to Dr. Tsai by kind, 2016 to 2025

$6.1Kin total
  • Speaker and faculty fees$5,54692%
  • Food and beverage$2935%
  • Consulting fees$2003%
  • Education$120%

Companies that paid Dr. Tsai the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tsai

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michaela L. Tsai graduated from Harvard Medical School

Dr. Tsai graduated from Harvard Medical School in 1995.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Michaela L. Tsai's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michaela L. Tsai

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michaela L. Tsai's NPI number?

Dr. Michaela L. Tsai's NPI number is 1801872502. It was assigned on December 15, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Michaela L. Tsai?

Dr. Michaela L. Tsai is a hematologist and oncologist in Seattle, Washington. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Michaela L. Tsai practice?

Dr. Tsai practices at 747 Broadway, Seattle, WA 98122. Dr. Tsai's primary practice is Swedish Medical Center -First Hill in Seattle, Washington. Dmand AI also links Dr. Tsai to 4 hospitals and 1 group practice or clinic.

What is Dr. Michaela L. Tsai's office phone number?

The practice phone on file for Dr. Tsai is (206) 386-6000.

What is Dr. Michaela L. Tsai's medical license number?

Dr. Tsai holds Washington license MD61182267.

Which hospitals is Dr. Michaela L. Tsai affiliated with?

Dr. Tsai is affiliated with Swedish First Hill Campus. Dmand AI links Dr. Tsai to 4 more hospitals.

What medical group is Dr. Michaela L. Tsai part of?

Dr. Tsai is linked to Swedish Health Services.

Does Dr. Michaela L. Tsai accept Medicare?

Yes. CMS data shows Dr. Tsai billed Medicare for 580 services in 2024, and Dr. Tsai accepts Medicare assignment.

Does Dr. Michaela L. Tsai offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tsai as offering telehealth services.

What is Dr. Michaela L. Tsai's MIPS score?

Dr. Tsai's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Michaela L. Tsai see?

CMS counts 156 Medicare patients who saw Dr. Tsai in 2024, with an average age of 74.

What services does Dr. Michaela L. Tsai bill to Medicare?

In 2024, Dr. Tsai's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Michaela L. Tsai go to medical school?

Dr. Tsai graduated from Harvard Medical School in 1995.

What drugs does Dr. Michaela L. Tsai prescribe most?

In 2024 Medicare Part D data, Dr. Tsai's most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Letrozole.

Has Dr. Michaela L. Tsai received payments from drug or device companies?

CMS Open Payments shows $6,051 in general payments to Dr. Tsai from 6 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Michaela L. Tsai been practicing?

Dr. Tsai graduated from medical school in 1995, 31 years ago.

Does Dr. Michaela L. Tsai do research?

Dmand AI links 27 publications to Dr. Tsai, published from 2011 to 2024. Dr. Tsai has worked on 11 clinical trials.

Who does Dr. Michaela L. Tsai publish with?

Dr. Tsai's most frequent co-authors are Barbara Susnik, MD (7 shared papers), Sami G. Diab, MD (3 shared papers) and Anne Hudson Blaes, MD (2 shared papers).

Selling to hematology and oncology practices?

See hematologists and oncologists in Washington by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)